Nagi and Ayumu compete together in the 4256th High School Girls Ultra Quiz tournament, though are each looking forward to the possibility of winning different prizes; Nagi wants the trophy for its resemblance to Hayate, and Ayumu wants the all-you-can-eat ticket to a restaurant so she can go out with Hayate. During the tournament, Nagi and Ayumu have trouble cooperating, though manage to end up winning the tournament in the end. Ayumu uses the all-you-can-eat ticket to invite Nagi, and Hayate to go out and eat together.
たまにはお出かけしてみてはどうかとナギに提案するハヤテ。ハヤテが提案したのは女子高生限定のペアクイズ大会。最初は乗り気でなかったナギだが、優勝商品を見て一転、出場を決意する。だが、大会は女子高生のペアでなければ出場できない。ペアを組んでくれる相手を探すナギだが、一向に相手が見つからず…。